Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 238Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 238

POWERHEAD
15Remove fuel cooler inlet and outlet water hoses from fittings on exhaust adaptor plate and poppet valve coverRemove excess air hose (from port fuel rail) from fitting on exhaust adaptor plate16Remove thermostat cover hose from exhaust adaptor plate

- Fuel Cooler Outlet Water HoseFuel Cooler Inlet Water HoseAir HoseThermostat Cover Hose